Jack's Professional 10-30-20 Blossom Booster Water Soluble Fertilizer, 25 lbs.Use this high phosphorus formulation during periods of bud set to increase number and size of blossoms. Resume use of traditional production fertilizers for the remainder of growing cycle to avoid internode stretch. Great for vegetable production. For Use On: flowering plants Jacks Professional 10 30 20 Blossom Booster Water Soluble Fertilizer Guaranteed Analysis Total Nitrogen (N) 10% 5. 0% Ammoniacal Nitrogen 5. 0% Nitrate Nitrogen Available